Half-Life: Opposing Force

Also known as: hl:of, hlof, opforce

Expansion pack for the game Half-Life 1, in which you play as Adrian Shephard on the day of the resonance cascade.

See also

• Half-Life (Series)
• Half-Life: Blue Shift
• Half-Life: Decay

External links

• Combine Overwiki: Half-Life: Opposing Force